Question

describe an activity to verify the laws of reflection

Answer 1

Materials required: a drawing board, a white sheet of paper, a few common pins, a protractor, pencil, eraser and a plane mirror.

Method: Fix the white sheet of paper firmly on the drawing board. Place the plane mirror on it and trace its outline on the paper. Then remove the mirror and draw the normal. Now place the mirror again on the outline. The normal will be reflected clearly on the mirror.

Next place two pins in a straight line on one side of the normal on the white sheet of paper.Next place two pins on the other side of the normal in such a way that these two pins are in a straight line with the reflection of the two pins on the other side of the normal.

Now remove the mirror and the pins and join the pin marks to the normal. Measure the angle of incidence and the angle of reflection. Both will be equal, proving the first law of reflection.

Since the lines representing the normal, the incident ray and the reflected ray are all represented on the same sheet of paper, the second law is also verified.

Answer 2

Answer:

you can verify the law of reflection quiet easily all you will need is a mirror a sheet of paper and a source of light ray make a slit to get one ray on a piece of staff paper. shine a torch behind the silt of get a ray

Now draw a a straight line on the sheet of paper. stand a mirror on the paper with a silvered surface on the line. Let a Ray of light fall on the mirror through the silt. you will see its reflection .Trace the incident and reflected Ray and remove the mirror from the paper. draw a normal at the point where the incident and reflected ray meet . the angle of incident and reflection change the angle of incidence and the the activity at each time you will find Angle i= angle r . incident ray the reflection Ray and the normal line on the same plane example I the plane of the the paper. if you to place the seat of paper at the edge of a table and behind it over the edge near the point of incident you will not see the the reflection Ray on the paper. this is because the folded part of the the paper in in a different plane.